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Microscopic Origin of Liquid Crystal Alignment on Rubbed Polymer Surfaces

✍ Scribed by Stöhr, J.; Samant, M. G.; Cossy-Favre, A.; Díaz, J.; Momoi, Y.; Odahara, S.; Nagata, T.

Book ID
120831632
Publisher
American Chemical Society
Year
1998
Tongue
English
Weight
73 KB
Volume
31
Category
Article
ISSN
0024-9297

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Enhanced, Perpendicular Liquid-Crystal A
Enhanced, Perpendicular Liquid-Crystal Alignment on Rubbed Films of a Coumarin-Containing Polystyrene
✍ Hyo Kang; Ki-Sun Kwon; Daeseung Kang; Jong-Chan Lee 📂 Article 📅 2007 🏛 John Wiley and Sons 🌐 English ⚖ 197 KB

## Abstract We synthesized a series of polystyrene derivatives containing coumarin side groups using polymer analogous reactions. The liquid‐crystal (LC) alignment director for these polymer films was found to be perpendicular to the rubbing direction. The contrast ratio and anchoring‐energy values